What is Graham Gilliam's NPI number?

Graham Gilliam's National Provider Identifier (NPI) is 1174455604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Graham Gilliam's specialty?

Graham Gilliam is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Graham Gilliam located?

Graham Gilliam's practice location on file with NPPES is 3401 Civic Center Blvd, Philadelphia, PA 19104-4319.

What is Graham Gilliam's phone number?

The practice phone number listed in the NPPES registry for Graham Gilliam is (215) 590-1220.

Is Graham Gilliam's NPI active?

Yes — Graham Gilliam's NPI (1174455604) is active in the NPPES registry as of the last update on 2026-06-01.

IndividualActive

Graham Gilliam, MD

NPI 1174455604 · Pediatrics Physician · Philadelphia, PA

Graham Gilliam, MD is a Pediatrics Physician provider in Philadelphia, PA (NPI 1174455604).

Provider details

NPI number: 1174455604
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: MT236109 (PA)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense MT236109 (PA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(52/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

3401 Civic Center Blvd

Philadelphia, PA 19104-4319

Phone: (215) 590-1220

Street-level locationGet directions

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Mailing address